/* main开始 */

.main {
    display: flex;
    height: 1010px;
    align-items: center;
}

.container {
    display: flex;
    height: 600px;
    flex-wrap: wrap;
    justify-content: space-around;
}

.container>div {
    height: 295px;
    width: 295px;
    background-color: blue;
}

/* main结束 */